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posted by Anonymous Monday, June 6, 2011 at 12:13pm.

show that the equation x^2+2xy+y^2+x+y-2=0 rebresent two paralil straight lines and find the equation of those two lines

x^2+2xy+y^2+x+y-2=(x+y+2)(x+y-1) y=-x-2 y=-x+1

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